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src/hotspot/share/prims/whitebox.cpp

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rev 49171 : imported patch 8185034-metaspace-cleanup-1-rename-metaspaceaux


 174 
 175 WB_ENTRY(jlong, WB_GetCompressedOopsMaxHeapSize(JNIEnv* env, jobject o)) {
 176   return (jlong)Arguments::max_heap_for_compressed_oops();
 177 }
 178 WB_END
 179 
 180 WB_ENTRY(void, WB_PrintHeapSizes(JNIEnv* env, jobject o)) {
 181   CollectorPolicy * p = Universe::heap()->collector_policy();
 182   tty->print_cr("Minimum heap " SIZE_FORMAT " Initial heap "
 183     SIZE_FORMAT " Maximum heap " SIZE_FORMAT " Space alignment " SIZE_FORMAT " Heap alignment " SIZE_FORMAT,
 184     p->min_heap_byte_size(), p->initial_heap_byte_size(), p->max_heap_byte_size(),
 185     p->space_alignment(), p->heap_alignment());
 186 }
 187 WB_END
 188 
 189 #ifndef PRODUCT
 190 // Forward declaration
 191 void TestReservedSpace_test();
 192 void TestReserveMemorySpecial_test();
 193 void TestVirtualSpace_test();
 194 void TestMetaspaceAux_test();
 195 #endif
 196 
 197 WB_ENTRY(void, WB_RunMemoryUnitTests(JNIEnv* env, jobject o))
 198 #ifndef PRODUCT
 199   TestReservedSpace_test();
 200   TestReserveMemorySpecial_test();
 201   TestVirtualSpace_test();
 202   TestMetaspaceAux_test();
 203 #endif
 204 WB_END
 205 
 206 WB_ENTRY(void, WB_ReadFromNoaccessArea(JNIEnv* env, jobject o))
 207   size_t granularity = os::vm_allocation_granularity();
 208   ReservedHeapSpace rhs(100 * granularity, granularity, false);
 209   VirtualSpace vs;
 210   vs.initialize(rhs, 50 * granularity);
 211 
 212   // Check if constraints are complied
 213   if (!( UseCompressedOops && rhs.base() != NULL &&
 214          Universe::narrow_oop_base() != NULL &&
 215          Universe::narrow_oop_use_implicit_null_checks() )) {
 216     tty->print_cr("WB_ReadFromNoaccessArea method is useless:\n "
 217                   "\tUseCompressedOops is %d\n"
 218                   "\trhs.base() is " PTR_FORMAT "\n"
 219                   "\tUniverse::narrow_oop_base() is " PTR_FORMAT "\n"
 220                   "\tUniverse::narrow_oop_use_implicit_null_checks() is %d",
 221                   UseCompressedOops,
 222                   p2i(rhs.base()),




 174 
 175 WB_ENTRY(jlong, WB_GetCompressedOopsMaxHeapSize(JNIEnv* env, jobject o)) {
 176   return (jlong)Arguments::max_heap_for_compressed_oops();
 177 }
 178 WB_END
 179 
 180 WB_ENTRY(void, WB_PrintHeapSizes(JNIEnv* env, jobject o)) {
 181   CollectorPolicy * p = Universe::heap()->collector_policy();
 182   tty->print_cr("Minimum heap " SIZE_FORMAT " Initial heap "
 183     SIZE_FORMAT " Maximum heap " SIZE_FORMAT " Space alignment " SIZE_FORMAT " Heap alignment " SIZE_FORMAT,
 184     p->min_heap_byte_size(), p->initial_heap_byte_size(), p->max_heap_byte_size(),
 185     p->space_alignment(), p->heap_alignment());
 186 }
 187 WB_END
 188 
 189 #ifndef PRODUCT
 190 // Forward declaration
 191 void TestReservedSpace_test();
 192 void TestReserveMemorySpecial_test();
 193 void TestVirtualSpace_test();
 194 void TestMetaspaceUtils_test();
 195 #endif
 196 
 197 WB_ENTRY(void, WB_RunMemoryUnitTests(JNIEnv* env, jobject o))
 198 #ifndef PRODUCT
 199   TestReservedSpace_test();
 200   TestReserveMemorySpecial_test();
 201   TestVirtualSpace_test();
 202   TestMetaspaceUtils_test();
 203 #endif
 204 WB_END
 205 
 206 WB_ENTRY(void, WB_ReadFromNoaccessArea(JNIEnv* env, jobject o))
 207   size_t granularity = os::vm_allocation_granularity();
 208   ReservedHeapSpace rhs(100 * granularity, granularity, false);
 209   VirtualSpace vs;
 210   vs.initialize(rhs, 50 * granularity);
 211 
 212   // Check if constraints are complied
 213   if (!( UseCompressedOops && rhs.base() != NULL &&
 214          Universe::narrow_oop_base() != NULL &&
 215          Universe::narrow_oop_use_implicit_null_checks() )) {
 216     tty->print_cr("WB_ReadFromNoaccessArea method is useless:\n "
 217                   "\tUseCompressedOops is %d\n"
 218                   "\trhs.base() is " PTR_FORMAT "\n"
 219                   "\tUniverse::narrow_oop_base() is " PTR_FORMAT "\n"
 220                   "\tUniverse::narrow_oop_use_implicit_null_checks() is %d",
 221                   UseCompressedOops,
 222                   p2i(rhs.base()),


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